fx 4100 a 4.6 ghz or i3 3240 ivy?
Edit: Kayko is right - go I5.
Here is the source btw: http://www.tomshardware.com/reviews/gaming-fx-pentium-apu-benchmark,3120-10.html
For 70 bucks, the G860 is the best CPU, for 80 bucks you can get a G2120(ivy bridge version more IPC's faster clock 10% performance gain). The I3-3220 is basically a G2120 with hyperthreading, but at the 120-140 range you can get an FX-6300 which due to the increase in IPC's performs MUCH better than the FX-6100/6200 and is recommended.
for 80 bucks you can get a Phenom II X4 965 black edition, and overclock it to stomp the G2120. with a hyper 212 air or a corsair H80 liquid cooler, you can get the 965 a good bit past 4 Ghz, or even higher if you are brave. i have mine at 4 Ghz, cooled by an antec kuhler h20 620, and i have plenty of thermal headroom to push it farther. really, at this point, below the $200 line you should only go intel if you won't or can't overclock.
but yeah, for AMD just skip the bulldozer generation altogether. i like to pretend it doesn't exist. either go phenom II or skip to Vishera.
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